KEITH ROBERT UNGER MD
NPI 1205077781
Radiology - Radiation Oncology in Washington, DC
About Keith Robert Unger Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEITH ROBERT UNGER MD (NPI 1205077781) is an individual radiation oncology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD037664) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Keith Robert Unger Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Keith Unger reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 861 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 53 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 61 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 23
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
WASHINGTON, DC 20007
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Keith Unger's NPI number?
The NPI number for Keith Unger is 1205077781. It was assigned to this individual provider in the NPPES registry on March 13, 2009.
Where is Keith Unger located?
Keith Unger practices at 3800 Reservoir Rd NW, Washington, DC 20007. The listed phone number is (202) 444-2600.
What is Keith Unger's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Keith Unger enrolled in Medicare?
Yes. Keith Unger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Keith Unger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keith Unger reassigns Medicare benefits to 4 organizations: Medstar Medical Group II LLC (Washington, DC), Mgmc LLC (Washington, DC), Maryland Proton Treatment Center, LLC (Baltimore, MD) and University Of Maryland Radiation Oncology Associates PA (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Keith Unger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Keith Unger was last updated on March 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Keith Robert Unger, MD · NPI 1205077781
Radiation Oncology physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 13, 2009.
## Identity
- **NPI:** 1205077781 (Entity type: Individual)
- **Enumerated:** March 13, 2009
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** MD037664 (District of Columbia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3800 RESERVOIR RD NW, Washington, DC 20007-2113
- **Phone:** (202) 444-2600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Mgmc LLC (NPI 1316949654, Washington, DC); Maryland Proton Treatment Center, LLC (NPI 1255742375, Baltimore, MD); University Of Maryland Radiation Oncology Associates PA (NPI 1780637272, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** March 10, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1205077781) · Data from the CMS NPPES public registry.